Source: https://tendernation.io/opportunities/01a13d05-7f63-71a9-8479-20396301b6b8/bbv-sublot-1b-tunnel-grout-treatment closed GB open procedure Suitable for SMEs # BBV Sublot 1B Tunnel Grout Treatment [Balfour Beatty VINCI JV HS2](https://tendernation.io/buyers/balfour-beatty-vinci-jv-hs2) Estimated value £1,000,000 to £2,500,000 Published 8 Sept 2025 Deadline Closed 15 Sept 2025 ## Who can bid - Buyer says suitable for SMEs The buyer ticked “suitable for SMEs” on the notice. Anyone can still bid. - Open procedure Anyone can submit a full tender; there is no shortlisting stage. [More contracts for small businesses and VCSEs](https://tendernation.io/opportunities/for-small-businesses) ## About this tender "Ground Treatment " The SC (Subcontractor) will assess the findings of the probe hole investigation and will develop the grout treatment strategy to be followed with a scope to minimize any excess water ingress during CP excavation and improve the ground stability. Grouting operations will include stage permeation grouting on max 1m steps, with the use of packers. Subcontractor based on ground and ground-water conditions as revealed from ground investigation (probe holes) shall develop the grouting strategy. The strategy will include as a minimum but not exclusively the following: • A grouting pattern of primary and secondary on the periphery of CP profile • Drilling diameter, orientation, and lengths of each grouting hole • Bottom-up grouting stages with the use of packers. The grouting stages should not exceed the length of 1m. • In case required (unstable ground) Subcontractor may need to make use of a tube a manchette TAM (sleeve pipes) system to perform the grouting. In this case the strategy should be developed accordingly. • Mix design(s) of the grout injection • Max Pressure and max Volume criteria for stopping each grouting stage • Tertiary drilling holes in case primary and secondary do not reach the target criteria. • As built records grouting locations lengths stages grout consumptions and max pressure. " Additional information: Suppliers should be aware of the scale of this project and should assess their internal capabilities to be able to carry out the intended scope of work, prior to completing this expression of interest (EOI). Read full description ## CPV classification Grout Source Contracts Finder (UK) [View official notice](https://www.contractsfinder.service.gov.uk/notice/6245c670-8384-40ec-b14c-75042530354f) Never miss a tender like this again Get AI summaries, deadline alerts and a bid pipeline for tenders matched to your business. Free to start. [Track tenders free](https://tendernation.io/register) [Buyer profile Balfour Beatty VINCI JV HS2: past awards and live tenders](https://tendernation.io/buyers/balfour-beatty-vinci-jv-hs2) [Sector More Construction materials & structures tenders](https://tendernation.io/sectors/construction-materials) ## More tenders like this [Plumbing and heating materials – Marché à bons de commandes - fournitures sanitaires et chauffage · La Dinantaise · 28 days left · 16 Nov 2026](https://tendernation.io/opportunities/01a156a9-f550-736d-908b-05a9208859c8/belgium-plumbing-and-heating-materials-marche-a-bons-de-commandes-fournitu) [Construction materials and associated items – fourniture de materiaux et materiels POUR LE centre technique municipal (batiment, voirie, PARC auto, espaces verts) et controles techniques reglementaires POUR vehicules · Mairie de Millau · 29 days left · 17 Nov 2026](https://tendernation.io/opportunities/01a156a9-6495-71e8-ae4c-8d176d16894c/france-construction-materials-and-associated-items-fourniture-de-materiaux-e) [Modular and portable buildings – Lieferung, Installation, Inbetriebnahme einer Recycling- und Sortierstation mit NIR-Technik, bestehend aus: Los 1: Sortierstation mit NIR-Technik, Los 3: Mechanische Recyclinganlage · Hochschule Niederrhein · 35 days left · 23 Nov 2026](https://tendernation.io/opportunities/01a156a9-6742-71be-8cda-ad55d5cb484e/germany-modular-and-portable-buildings-lieferung-installation-inbetriebnah) [Partitions – Prequalification Contract 2442 Laminate and steel plate doors and Contract 2431 System walls - The New Aker · Helse Sør-Øst RHF · 31 days left · 19 Nov 2026](https://tendernation.io/opportunities/01a156a9-7df1-70ba-83da-fe73ffdd49ba/norway-partitions-prequalification-contract-2442-laminate-and-steel-plate-do) [Cartons – fournitures de conservation · SCN Archives nationales · 35 days left · 23 Nov 2026](https://tendernation.io/opportunities/01a156a9-61aa-736d-b1b5-b65c4249b68d/france-cartons-fournitures-de-conservation) [Construction structures and materials; auxiliary products to construction (except electric apparatus) – FOURNITURES D'ATELIERS · RESAH · 35 days left · 23 Nov 2026](https://tendernation.io/opportunities/01a156a9-72b1-720c-bda9-978cab93d879/france-construction-structures-and-materials-auxiliary-products-to-constructi)